<!--
 * @Description: 
 * @Author: 赵华宇
 * @Date: 2025-04-21 09:39:48
 * @LastEditors: 赵华宇
 * @LastEditTime: 2025-04-21 09:59:52
-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>画盒子</title>
    <style>
        .red{
            width:100px;
            height:100px;
            background-color:red;
        }
        .orange{
            width:200px;
            height:200px;
            background-color:orange;
        }
    </style>
</head>
<body>
    <div class="red">div1</div>
    <div class="orange">div2</div>
</body>
</html>